10839442 has 4 divisors (see below), whose sum is σ = 16259166. Its totient is φ = 5419720.

The previous prime is 10839427. The next prime is 10839467. The reversal of 10839442 is 24493801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24493801 = 787 ⋅31123.

It can be written as a sum of positive squares in only one way, i.e., 10361961 + 477481 = 3219^2 + 691^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2709859 + ... + 2709862.

Almost surely, 2^10839442 is an apocalyptic number.

10839442 is a deficient number, since it is larger than the sum of its proper divisors (5419724).

10839442 is an equidigital number, since it uses as much as digits as its factorization.

10839442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419723.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 10839442 is about 3292.3307853252. The cubic root of 10839442 is about 221.3106474023.

The spelling of 10839442 in words is "ten million, eight hundred thirty-nine thousand, four hundred forty-two".